Programs in Physics & Physical Chemistry
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|Manuscript Title: TIMER - a software instrumentation routine for making timing measurements.|
|Authors: M.H. Hughes, A.P.V. Roberts|
|Program title: TIMER|
|Catalogue identifier: ABUH_v1_0|
Distribution format: gz
|Journal reference: Comput. Phys. Commun. 8(1974)118|
|Programming language: Fortran.|
|Computer: ICL SYSTEM 4/70.|
|Operating system: MULTIJOB.|
|Word size: 32|
|Keywords: General purpose, Instrumentation, Timing, Utility.|
Nature of problem:
TIMER is an instrumental routine which measures and records the CPU timespent in various sections of a program, so that effort spent in optimization can be concentrated where it will be most effective.
Appropriate calls to the Fortran IV routine TIMER are used to switch set of up to 50 software clocks on and off and print details as required. A correction is made for time spent in the routine itself and in the routine itself and in the supervisor.
TIMER can be used on any computer system for which a suitable hardware clock is available, provided that the call to this clock is modified appropriately and the necessary timing corrections measured and inserted.
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